You do know that under the Pi 3 you can configure to use USB connected boot
and storage disks (eg SSDs or even spinning media).
On Thu, Jun 22, 2017 at 1:22 PM, Steve Dimse <steve at dimse.com> wrote:
>> > On Jun 22, 2017, at 12:36 PM, Greg Trasuk <trasukg at trasuk.com> wrote:
> >
> > Could you expand on this? I did the calculations, and a reasonable SD
> card should have enough write cycles for several years. Why would the
> system need to be read-only?
> >
> The theoretical numbers certainly do bear this out, but practice does not.
> Even with large high quality SD cards, and following all the precautions
> like logs files etc. on RAMdisk, the Pis I use as hubs for my RV and home
> automation and data collection systems crash with a corrupted card in a
> year or so. Under higher use, as a Outernet hub with constant writes to a
> database, the average time to corruption was four months.
>> Steve K4HG
>> _______________________________________________
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John D. Hays
K7VE
PO Box 1223, Edmonds, WA 98020-1223
<http://k7ve.org/blog> <http://twitter.com/#!/john_hays>
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